#main {
    position: absolute;
    left: 10%;
    width: 80%;
    height: 80%;
    background-size: contain;
    z-index: 1;
    /*background-image: url(../../resources/image_web/bg/19.jpg);*/
}

#main h1 {
    width: 100%;
    text-align: center;
}

#mainList {
    margin: 20px;
    width: -webkit-calc(100%/3 - 20px*2);
    line-height: 200px;
    background-color: red;
    border-color: aqua;
    border-radius: 10px;
    text-align: center;
    font-size: 15px;
    float: left;
    display: inline-block;
}

#mainTop {
    width: 100%;
    line-height: 50px;
    background-color: green;
    margin: 0px auto;
    padding: 10px 0px;
    text-align: center;
    font-size: 32px;
}